/* $Id: calendar.js 1633 2011-02-14 03:15:09Z pedroix $ $URL: https://web2project.svn.sourceforge.net/svnroot/web2project/tags/version2.4/js/calendar.js $ */
var hourMSecs = 3600*1000;
var secondsPerMinute = 60;
var minutesPerHour = 60;

/**
* no comment needed
*/
function isInArray(myArray, intValue) {

for (var i = 0, i_cmp = myArray.length; i < i_cmp; i++) {
if (myArray[i] == intValue) {
return true;
}
}
return false;
}

// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
//cal.sel.value = date; // just update the date in the input field.
// Pedro A. : Lets pass the date in a Ymd format and let our formatDate function to the rest.
cal.sel.value = (cal.date.print("%Y%m%d%H%M"));
setDate(cal.form, cal.sel.name);
if (cal.dateClicked && (cal.sel.id == "ini_date" || cal.sel.id == "end_date"))
// if we add this call we close the calendar on single-click.
cal.callCloseHandler();
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.It just hides the calendar without
// destroying it.
function closeHandler(cal) {
cal.hide();// hide the calendar
_dynarch_popupCalendar = null;
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id, format, form_name, showsTime, showsOtherMonths) {
var el = document.getElementById(id);
if (_dynarch_popupCalendar != null) {
// we already have some calendar created
_dynarch_popupCalendar.hide(); // so we hide it first.
} else {
// first-time call, create the calendar.
var cal = new Calendar(1, null, selected, closeHandler);
// uncomment the following line to hide the week numbers
// cal.weekNumbers = false;
if (typeof showsTime == "string") {
cal.showsTime = true;
cal.time24 = (showsTime == "24");
}
if (showsOtherMonths) {
cal.showsOtherMonths = true;
}
_dynarch_popupCalendar = cal;// remember it in the global var
cal.setRange(1900, 2070);// min/max year allowed.
cal.create();
}
_dynarch_popupCalendar.setDateFormat(format);// set the specified date format
_dynarch_popupCalendar.parseDate(el.value);// try to parse the text in field
_dynarch_popupCalendar.sel = el; // inform it what input field we use
_dynarch_popupCalendar.form = form_name; // inform it what form we use

// the reference element that we pass to showAtElement is the button that
// triggers the calendar.In this example we align the calendar bottom-right
// to the button.
_dynarch_popupCalendar.showAtElement(el, "Bl");// show the calendar

return false;
}

var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
function LZ(x) {
return(x<0||x>9?"":"0")+x
}

function formatDate(date,format) {
format=format+"";
var result="";
var i_format=0;
var c="";
var token="";
var y=date.getYear()+"";
var M=date.getMonth()+1;
var d=date.getDate();
var E=date.getDay();
var H=date.getHours();
var m=date.getMinutes();
var s=date.getSeconds();
var Y, yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
var value=new Object();
if(y.length < 4){
y=""+(y-0+1900);
}
value["y"]=""+y;
value["yyyy"]=y;
value["Y"]=y;
value["yy"]=y.substring(2,4);
value["M"]=M;
value["MM"]=LZ(M);
value["MMM"]=MONTH_NAMES[M-1];
value["NNN"]=MONTH_NAMES[M+11];
value["b"]=MONTH_NAMES[M+11];
value["d"]=d;
value["dd"]=LZ(d);
value["E"]=DAY_NAMES[E+7];
value["EE"]=DAY_NAMES[E];
value["H"]=H;
value["HH"]=LZ(H);
if(H==0) {
value["h"]=12;
} else if(H>12) {
value["h"]=H-12;
} else {
value["h"]=H;
}
value["hh"]=LZ(value["h"]);
if(H>11) {
value["K"]=H-12;
} else {
value["K"]=H;
}
value["k"]=H+1;
value["KK"]=LZ(value["K"]);
value["kk"]=LZ(value["k"]);
if(H > 11) {
value["a"]="pm";
} else {
value["a"]="am";
}
value["m"]=m;
value["mm"]=LZ(m);
value["s"]=s;
value["ss"]=LZ(s);
while(i_format < format.length) {
c=format.charAt(i_format);
token="";
while((format.charAt(i_format)==c) &&(i_format < format.length)) {
token += format.charAt(i_format++);
}
if(value[token] != null) {
result=result + value[token];
} else {
result=result + token;
}
}
return result;
}

// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
var digits="1234567890";
for (var i=0, i_cmp=val.length; i < i_cmp; i++) {
if (digits.indexOf(val.charAt(i))==-1) { 
return false; 
}
}
return true;
}
function _getInt(str,i,minlength,maxlength) {
for (var x=maxlength; x>=minlength; x--) {
var token=str.substring(i,i+x);
if (token.length < minlength) { 
return null; 
}
if (_isInteger(token)) { 
return token; 
}
}
return null;
}

// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// ------------------------------------------------------------------
function getDateFromFormat(val,format) {
val=val+"";
format=format+"";
var i_val=0;
var i_format=0;
var c="";
var token="";
var token2="";
var x,y;
var now=new Date();
var year=now.getYear();
var month=now.getMonth()+1;
var date=1;
var hh=now.getHours();
var mm=now.getMinutes();
var ss=now.getSeconds();
var ampm="";

while (i_format < format.length) {
// Get next token from format string
c=format.charAt(i_format);
token="";
while ((format.charAt(i_format)==c) && (i_format < format.length)) {
token += format.charAt(i_format++);
}
// Extract contents of value based on format token
if (token=="yyyy" || token=="yy" || token=="y" || token=="Y") {
if (token=="Y") { x=4;y=4; }
if (token=="yyyy") { x=4;y=4; }
if (token=="yy") { x=2;y=2; }
if (token=="y"){ x=2;y=4; }
year=_getInt(val,i_val,x,y);
if (year==null) { return 0; }
i_val += year.length;
if (year.length==2) {
if (year > 70) { 
year=1900+(year-0); 
} else { 
year=2000+(year-0); 
}
}
} else if (token=="MMM"||token=="NNN") {
month=0;
for (var i=0, i_cmp=MONTH_NAMES.length; i<i_cmp; i++) {
var month_name=MONTH_NAMES[i];
if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
if (token=="MMM"||(token=="NNN"&&i>11)) {
month=i+1;
if (month>12) { 
month -= 12; 
}
i_val += month_name.length;
break;
}
}
}
if ((month < 1)||(month>12)) {
return 0;
}
} else if (token=="EE"||token=="E") {
for (var i=0, i_cmp=DAY_NAMES.length; i<i_cmp; i++) {
var day_name=DAY_NAMES[i];
if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
i_val += day_name.length;
break;
}
}
} else if (token=="MM"||token=="M") {
month=_getInt(val,i_val,token.length,2);
if(month==null||(month<1)||(month>12)){
return 0;
}
i_val+=month.length;
} else if (token=="dd"||token=="d") {
date=_getInt(val,i_val,token.length,2);
if(date==null||(date<1)||(date>31)) {
return 0;
}
i_val+=date.length;
} else if (token=="hh"||token=="h") {
hh=_getInt(val,i_val,token.length,2);
if(hh==null||(hh<1)||(hh>12)) {
return 0;
}
i_val+=hh.length;
} else if (token=="HH"||token=="H") {
hh=_getInt(val,i_val,token.length,2);
if(hh==null||(hh<0)||(hh>23)) {
return 0;
}
i_val+=hh.length;
} else if (token=="KK"||token=="K") {
hh=_getInt(val,i_val,token.length,2);
if(hh==null||(hh<0)||(hh>11)) {
return 0;
}
i_val+=hh.length;
} else if (token=="kk"||token=="k") {
hh=_getInt(val,i_val,token.length,2);
if(hh==null||(hh<1)||(hh>24)) {
return 0;
}
i_val+=hh.length;hh--;
} else if (token=="mm"||token=="m") {
mm=_getInt(val,i_val,token.length,2);
if(mm==null||(mm<0)||(mm>59)){
return 0;
}
i_val+=mm.length;
} else if (token=="ss"||token=="s") {
ss=_getInt(val,i_val,token.length,2);
if(ss==null||(ss<0)||(ss>59)){
return 0;
}
i_val+=ss.length;
} else if (token=="a") {
if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="am";}
else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="pm";}
else {return 0;}
i_val+=2;
} else {
if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
else {i_val+=token.length;}
}
}
// If there are any trailing characters left in the value, it doesn't match
if (i_val != val.length) { return 0; }
// Is date valid for month?
if (month==2) {
// Check for leap year
if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
if (date > 29){ return 0; }
} else { 
if (date > 28) { return 0; } 
}
} if ((month==4)||(month==6)||(month==9)||(month==11)) {
if (date > 30) { return 0; }
}
// Correct hours value
if (hh<12 && ampm=="pm") { hh=hh-0+12; }
else if (hh>11 && ampm=="am") { hh-=12; }
var newdate=new Date(year,month-1,date,hh,mm,ss);
return newdate.getTime();
}

function convertHours(intSeconds) {
var minutes = convertMinutes(intSeconds);
var hours = Math.floor(minutes/minutesPerHour);
return hours;
}

function convertMinutes(intSeconds) {
return Math.floor(intSeconds/secondsPerMinute);
}

function getRemainingSeconds(intTotalSeconds) {
return (intTotalSeconds%secondsPerMinute);
}

function getRemainingMinutes(intSeconds) {
var intTotalMinutes = convertMinutes(intSeconds);
return (intTotalMinutes%minutesPerHour);
}

function HM2Seconds(HM) { // h:m
var A = HM.split(/\D+/);
var H = A[0]; 
var M = A[1]; 

if (parseInt(H, 10) > 23 && parseInt(H, 10) < 0) H = 0;
if (parseInt(M, 10) > 59 && parseInt(M, 10) < 0) M = 0;

return (H*60 + +M)*60; 
}

function seconds2HM(intSecondsToConvert) {
var hours = convertHours(intSecondsToConvert);
if (parseInt(hours,10) < 10) hours = '0' + hours;
var minutes = getRemainingMinutes(intSecondsToConvert);
minutes = (minutes == 60) ? '0' : minutes;
if (parseInt(minutes,10) < 10) minutes = '0' + minutes;
var seconds = getRemainingSeconds(intSecondsToConvert);
return hours+":"+minutes;
}